What is this string format?

Question

PHP

Can you explain to me what this string format is and how to decode it?

a:2:{s:6:"output";s:0:"";s:6:"result";a:32:{s:3:"EUR";s:1:"1";s:3:"USD";s:6:"1.0841";s:3:"JPY";s:6:"132.82";s:3:"BGN";s:6:"1.9558";s:3:"CZK";s:6:"27.031";s:3:"DKK";s:6:"7.4612";s:3:"GBP";s:7:"0.72660";s:3:"HUF";s:6:"315.96";s:3:"PLN";s:6:"4.2959";s:3:"RON";s:6:"4.5048";s:3:"SEK";s:6:"9.3022";s:3:"CHF";s:6:"1.0807";s:3:"NOK";s:6:"9.5110";s:3:"HRK";s:6:"7.6530";s:3:"RUB";s:7:"76.5023";s:3:"TRY";s:6:"3.1674";s:3:"AUD";s:6:"1.5097";s:3:"BRL";s:6:"4.2031";s:3:"CAD";s:6:"1.4995";s:3:"CNY";s:6:"7.0330";s:3:"HKD";s:6:"8.4050";s:3:"IDR";s:8:"15204.89";s:3:"ILS";s:6:"4.2200";s:3:"INR";s:7:"71.8400";s:3:"KRW";s:7:"1285.85";s:3:"MXN";s:7:"18.3649";s:3:"MYR";s:6:"4.6780";s:3:"NZD";s:6:"1.6078";s:3:"PHP";s:6:"51.434";s:3:"SGD";s:6:"1.5351";s:3:"THB";s:6:"39.125";s:3:"ZAR";s:7:"16.2600";}}